/*
 * Copyright (c) 2017, ARM Limited and Contributors. All rights reserved.
 *
 * SPDX-License-Identifier: BSD-3-Clause
 */

#include <arch.h>
#include <platform.h>

#include "uniphier.h"

static unsigned char uniphier_power_domain_tree_desc[UNIPHIER_CLUSTER_COUNT + 1];

const unsigned char *plat_get_power_domain_tree_desc(void)
{
    int i;

    uniphier_power_domain_tree_desc[0] = UNIPHIER_CLUSTER_COUNT;

    for (i = 0; i < UNIPHIER_CLUSTER_COUNT; i++)
        uniphier_power_domain_tree_desc[i + 1] =
                        UNIPHIER_MAX_CPUS_PER_CLUSTER;

    return uniphier_power_domain_tree_desc;
}

int plat_core_pos_by_mpidr(u_register_t mpidr)
{
    unsigned int cluster_id, cpu_id;

    cluster_id = (mpidr >> MPIDR_AFF1_SHIFT) & MPIDR_AFFLVL_MASK;
    if (cluster_id >= UNIPHIER_CLUSTER_COUNT)
        return -1;

    cpu_id = (mpidr >> MPIDR_AFF0_SHIFT) & MPIDR_AFFLVL_MASK;
    if (cpu_id >= UNIPHIER_MAX_CPUS_PER_CLUSTER)
        return -1;

    return uniphier_calc_core_pos(mpidr);
}
